package org.fanpeng.demo.design;

import java.util.concurrent.atomic.AtomicReference;

/**
 * className: Singleton_00
 * Description:
 * date: 2021/8/4 11:13
 *
 * @author fanpeng
 * @version 1.0
 */
public enum Singleton_07 {
    INSTANCE;
    public void test(){
        System.out.println("hi~");
    }
}
